Hose-coupling.



Patenm Mai. 14, 1916.

J. H. STEPHENS.

HOSE COUPLING.

APPLICATION FILED OCT. I, 1914.

JOHN HALL STEPHENS, OF VERNON, TEXAS.

I HOSE-COUFLING.

Specification of Letters Patent.

Application filedOctober 1, 1914. Serial No. 864,517.

To (ZZZ whom it may concern:

Be it known that 1, JOHN HALL STEPHENS, a citizen of the United States, residing at Vernon, in the county of Wilbarger and State of Texas, have invented'certain new and useful Improvements in Hose-Couplings, of'which the following is a specification.

This invention relates to hose couplings. One object of the invention is to prov de I a durable, strong and eflicient coupllng deand which swiveled connection may be provided for without necessitating the contraction of the metal of the connecting means,

and which obviates the consequent necessity of expanding the metal of the connecting means if itbe desired to disconnect the same from the coupling members.

With the above and other objects in view, the present invention consists in the combination and arrangement of parts to be hereinafter more fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims,

it being understood that changes may be made in the form, proportion, size and minor details without departing from the spirit or sacrificing any of the advantages of the invention- In the drawings: Figure 1 is a view partly in longitudinal section and partly in elevation illustrating one form of my invention. Fig. 2 is a similar view illustrat= ing another form of the invention. Fig. 3 is a transverse sectional view on the line 33 of Fig. 2. Fig. 4 is a transverse sectional view on the line 4-4 of Fig. 2. Fig.

5 is a detail sectionalview of oneof the thimbles. Fig. 6 embraces a series of perspective views on a small scale of one of the thimbles and the collar which is adapted to be secured thereto for holding the washer against the inner end of the thimble.

Beferring now more particularly to the accompanyin drawings, the reference charactors-10 and 11 indicatecoupling members,

each having its inner end thickened to form internal and external shoulders 12 and 13, each threaded internally and having its outer end bell-shaped or flared as indi-- 'Patente Mar. 14, acre;

cated at 14, so as not to out or injure the hose sections 15 and 16 which are adapted to be fitted in the coupling members with their inner ends adjacent to or in engage ment with the respective shoulders 12 and 13 of the coupling members.

The coupling members 10 and 11 preferably taper and on their inner faces they are preferably provided with diagonally arranged intersecting shallow grooves which form diamond-shaped projections 16 which are adapted to bite into the outer surfaces of the hose sections 15 and 16 without dangerof cutting entirely through the same, and yet providing-for such a roughened or serrated face as will insure against slipping of the hose sections 15 and 16 when the latter are clamped in the coupling members 10 and 11 by the respective thimbles 18 and 19.

The thimbles 18- from the inner ends of the coupling memhers and are adapted to extend into the hose sections so as to clamp the latter betweenthe thimbles and the respective coupling members. The thimbles 18 and 19 are preferablyinserted into the coupling hand 19 are preferably fitted into the coupli g members 10 and 11 members for the purpose stated by a rotative.

movement, they preferably having screw threaded fit with the screw threaded shoulders 12 and 13 of the coupling members, the screw threads thereof also extending into the'hose sections so as to facilitate bind ing or clamping of the hose sections between them and the coupling members. The extreme outer ends of .the thimbles have their outer facespreferably smoothso as to facilitate ready insertionthereof into the hose sections and in order to fit the thimbles within the coupling members and the hose sections the interior of each thimble is preferably provided with lugs 20 to take a suitable wrench (not shown) so that the thimbles may be readily screwed into and out of the'coupling members and the hose sec tions.

The inner end of the thimble 18 is provided with a screw threaded shoulder 21 with which a collar 22 may have a threaded working fit having'lugs 23with which a suitable wrench (not shown) may operate v to connect and disconnect said collar with and from said screw threadedshoulder 21. The purpose of this collar 22 is to secure a leather, rubber or other suitable s lit washer 24 against the inner end of the thimble 18 and against accidental displacement when the coupling members are separated. The collar 22 has a rounded or beveled annular lip 25 adapted to engage the outer face of the gasket or washer 24. The thim ble 18 thus carries the washer against accidental displacement when the parts are disassembled and holds the washer'in such position that when the parts are. assembled the inner end of the thimble 19 may engage snugly withthe same to prevent leakage. The inner end of the thimble 19, is preferably somewhat thickened, as at 26, and screw threaded, so that, if desired, it may be connected to a hydrant or the like.

The coupling members may be connected by suitable means, such as a nut 27 which has screw threaded connection at one end with the thimble 11 and which has swiveled connection at its opposite end with the coupling member 10. This nut 27 is provided with an annular shoulder 28 which is adapted to overhang the shoulder 12 when the parts areassembled. To this end the coupling member 10 is preferably positioned by inserting it from the right hand ended? I the nut 27 inwardly to present its shoulder 12 against the shoulder 28-, said shoulder 28 having relatively close fit both with, the

shoulder 12 and the body of the coupling member 10, the spaces between them being exaggerated in the drawing in order to clear y illustrate the invention. By virtue of the sleeve 19 being rigidly secured to the coupling member 11 and the nut 27 being also rigidly secured to the coupling memher-11 and the sleeve 18 being heldagainst the washer 24 carried by the sleeve 1.9, there is no danger of accidental inward movement of the coupling'member 10.

The shoulder 12 of the coupling member 10 and the nut 27 maybe .provided with coinciding grooves to form a raceway for bearing balls 29 which may be inserted into the raceway through an opening which is normally closed by a nut 30. These bearing balls facilitate I a free and easy rotative swiveled connection between the nut 27' and the coupling member 10, as shown in Fig. 1 but these balls may be dispensed with, iii

desired, as is apparent from the structure shown in Fig. 2.

What is claimed is p 1. A hose coupling com risingcoupling -memberS, a clamping thimb e in each of said coupling members, each coupl in member being internally serrated and against which the hose sections are clamped upon insertion of the thimbles in the coupling members, each thimble having an external tapering portion and also an external screw threaded portion, one of the thimbles having a radial annular screw threaded shoulder, a collar having threaded working fit with said shoulder, a packir ring held permanently against said shoulder by said collar, and a nut having connection with .said coupling members.

2. A hose coupling comprising coupling members to receive hose sections, a clamping thimble screwed into each hose section to expand the hose section against the respective coupling member, one of the thimbles having an external annular screw threaded.

shoulder, a collar having working fit with said shoulder, a packing ring held perma Y nently against said shoulder .by said collar,

and a nut having swiveled connection with member. D

3. A hose coupling comprlslng couplmg members to receive hose sections, each coupling member having an internal annular screw threaded shoulder, a thimble having screw threaded connection with the annular shoulder of eachcoupling member and adapted to be inserted into the respective hose sections to clamp the latterwithm the respective coupling members, one of the thimbles having an external annular screwone of the coupling members and screw threaded connection with the other coupling threaded shoulder, a collar having threaded I working fit with said latter screw threaded shoulder, a packing ring'held permanently against saidlatter shoulder by sald collar,

- and a' nut having swiveled connectionwithv one of the coupling members and screw threaded connection with the other couplmg form a water-tight joint between the thimbles, and a coupling nut between the coupling members.

In testimony whereof, "I aflix my signature in'presence of two witnesses.

JOHN HALL STEPHENS;

Witnesses:

J. V; TowNsmm, SEBE NEWMAN. 

